【Mouth Breathing Snoring Solution】: This anti-snoring chin strap is made of high-quality, soft, elastic, durable, breathable, and odorless upgraded materials. It's easy to wear and ensures comfortable sleep. 【High Stability and Adjustability】: Our product uses a special four-sided structure to support users, preventing it from falling off even when worn all night, and ensuring comfort even when sleeping on your side. 【Breathable & Washable】: The anti-snoring head-band type chin strap has excellent breathability, quickly dissipating heat and preventing stuffiness during sleep. It prevents dryness of the mouth and throat. It can be used repeatedly and washed regularly to keep it clean. It promises a comfortable, snore-free, and restful sleep until morning. 【How to Use】: Step 1: Hold the longest loop part of the strap (loop side up) with your left hand and the small hook part of the strap (hook side down) with your right hand. Step 2: Adjust the loop strap so that the Velcro is securely fastened on the top of your head. Step 3: Combine the loop and hook at the back of your head, and adjust the loop to secure the back of your head. Try opening and closing your mouth, and if it's not fully secured, readjust the loop on the top strap. 【Applicable Users】: This chin strap anti-snoring device is suitable for snoring caused by backward movement of the lower jaw, mouth breathing, and sleep posture problems.